TPD1327E Chapter 4
Page 19
8. If a cassette oil cooler (A) is tted to the lter
head, then this must also be drained and
ushed. To do this, disconnect the hoses (A1 and
A2) at the top of the cooler and ush the cooler
through the outlet connection (A1) until clean
water runs from the inlet (A2).
Caution: If the coolant system is to remain empty
temporarily after it is ushed with clean water,
drain the oil cooler and ll it with 165 ml (1/3 pint)
of antifreeze. This will protect the oil cooler against
frost if any clean water drains down from the coolant
jacket if the craft is moved.
Engines tted with keel coolers
The coolant capacity and the method used to drain
the coolant circuit of an engine connected to a keel
cooler will vary in different applications.
Use the instructions given by the keel cooler
manufacturer to drain and renew the engine coolant
when a keel cooler is tted.
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